"This is not a trade copy," Panagopulos was quoted by The Daily Record of Baltimore as saying. "It's a very special edition. It's one I've never seen before."

According to the auction house's online catalog, a 2015 letter of provenance from the daughter of Capt. Daniel B. Allen of the 45th Infantry Division says he brought the book home with him after the war. The current seller is identified only as an East Coast collector.

Hitler wrote "Mein Kampf" — or "My Struggle" — after he was jailed following the failed 1923 coup attempt known as the Beer Hall Putsch. Millions of copies were printed after the Nazis took power in 1933. The rambling tome set out his ultranationalist, anti-Semitic and anti-communist ideology, which would culminate in the Holocaust and a war of conquest in Europe.